CA2265612C - Implantable electric axial-flow blood pump with blood-cooled bearing - Google Patents

Implantable electric axial-flow blood pump with blood-cooled bearing Download PDF

Info

Publication number
CA2265612C
CA2265612C CA002265612A CA2265612A CA2265612C CA 2265612 C CA2265612 C CA 2265612C CA 002265612 A CA002265612 A CA 002265612A CA 2265612 A CA2265612 A CA 2265612A CA 2265612 C CA2265612 C CA 2265612C
Authority
CA
Canada
Prior art keywords
blood
rotor
ball
pump
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002265612A
Other languages
English (en)
French (fr)
Other versions
CA2265612A1 (en
Inventor
Lynn P. Taylor
Pieter W. J. C. Le Blanc
Kenneth C. Butler
Timothy R. Maher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thoratec LLC
Original Assignee
Thoratec LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thoratec LLC filed Critical Thoratec LLC
Publication of CA2265612A1 publication Critical patent/CA2265612A1/en
Application granted granted Critical
Publication of CA2265612C publication Critical patent/CA2265612C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/0467—Spherical bearings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
    • A61M60/178—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart drawing blood from a ventricle and returning the blood to the arterial system via a cannula external to the ventricle, e.g. left or right ventricular assist devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/205—Non-positive displacement blood pumps
    • A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
    • A61M60/237—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/403—Details relating to driving for non-positive displacement blood pumps
    • A61M60/422—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/81—Pump housings
    • A61M60/812—Vanes or blades, e.g. static flow guides
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/818—Bearings
    • A61M60/825—Contact bearings, e.g. ball-and-cup or pivot bearings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/827—Sealings between moving parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0646—Units comprising pumps and their driving means the pump being electrically driven the hollow pump or motor shaft being the conduit for the working fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/041—Axial thrust balancing
    • F04D29/0413—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
    • A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides
    • F05C2203/0804—Non-oxide ceramics
    • F05C2203/0813—Carbides
    • F05C2203/0821—Carbides of titanium, e.g. TiC
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/90—Rotary blood pump

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • External Artificial Organs (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Support Of The Bearing (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
CA002265612A 1996-09-13 1996-12-27 Implantable electric axial-flow blood pump with blood-cooled bearing Expired - Lifetime CA2265612C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/710,211 US5707218A (en) 1995-04-19 1996-09-13 Implantable electric axial-flow blood pump with blood cooled bearing
US08/710,211 1996-09-13
PCT/US1996/020363 WO1998011347A1 (en) 1996-09-13 1996-12-27 Implantable electric axial-flow blood pump with blood-cooled bearing

Publications (2)

Publication Number Publication Date
CA2265612A1 CA2265612A1 (en) 1998-03-19
CA2265612C true CA2265612C (en) 2007-03-13

Family

ID=24853089

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002265612A Expired - Lifetime CA2265612C (en) 1996-09-13 1996-12-27 Implantable electric axial-flow blood pump with blood-cooled bearing

Country Status (7)

Country Link
US (2) US5707218A (de)
EP (1) EP0925451B1 (de)
JP (3) JP2001500589A (de)
CA (1) CA2265612C (de)
DE (1) DE69630815T2 (de)
ES (1) ES2212000T3 (de)
WO (1) WO1998011347A1 (de)

Families Citing this family (161)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5957672A (en) * 1993-11-10 1999-09-28 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Blood pump bearing system
DE19535781C2 (de) * 1995-09-26 1999-11-11 Fraunhofer Ges Forschung Vorrichtung zur aktiven Strömungsunterstützung von Körperflüssigkeiten
US6283988B1 (en) 1997-04-07 2001-09-04 Broncus Technologies, Inc. Bronchial stenter having expandable electrodes
US6273907B1 (en) 1997-04-07 2001-08-14 Broncus Technologies, Inc. Bronchial stenter
US6488673B1 (en) 1997-04-07 2002-12-03 Broncus Technologies, Inc. Method of increasing gas exchange of a lung
US7992572B2 (en) * 1998-06-10 2011-08-09 Asthmatx, Inc. Methods of evaluating individuals having reversible obstructive pulmonary disease
US5972026A (en) 1997-04-07 1999-10-26 Broncus Technologies, Inc. Bronchial stenter having diametrically adjustable electrodes
US6200333B1 (en) 1997-04-07 2001-03-13 Broncus Technologies, Inc. Bronchial stenter
US7425212B1 (en) * 1998-06-10 2008-09-16 Asthmatx, Inc. Devices for modification of airways by transfer of energy
US6634363B1 (en) * 1997-04-07 2003-10-21 Broncus Technologies, Inc. Methods of treating lungs having reversible obstructive pulmonary disease
US7027869B2 (en) 1998-01-07 2006-04-11 Asthmatx, Inc. Method for treating an asthma attack
US6093001A (en) * 1997-05-02 2000-07-25 University Of Pittsburgh Rotary pump having a bearing which dissipates heat
US7182727B2 (en) * 1997-07-11 2007-02-27 A—Med Systems Inc. Single port cardiac support apparatus
US6123725A (en) * 1997-07-11 2000-09-26 A-Med Systems, Inc. Single port cardiac support apparatus
US6395026B1 (en) 1998-05-15 2002-05-28 A-Med Systems, Inc. Apparatus and methods for beating heart bypass surgery
US6889082B2 (en) * 1997-10-09 2005-05-03 Orqis Medical Corporation Implantable heart assist system and method of applying same
US7921855B2 (en) 1998-01-07 2011-04-12 Asthmatx, Inc. Method for treating an asthma attack
US8181656B2 (en) 1998-06-10 2012-05-22 Asthmatx, Inc. Methods for treating airways
US7198635B2 (en) 2000-10-17 2007-04-03 Asthmatx, Inc. Modification of airways by application of energy
US20070123958A1 (en) * 1998-06-10 2007-05-31 Asthmatx, Inc. Apparatus for treating airways in the lung
US6018208A (en) * 1999-01-26 2000-01-25 Nimbus, Inc. Articulated motor stator assembly for a pump
US6123659A (en) * 1999-01-26 2000-09-26 Nimbus Inc. Blood pump with profiled outflow region
US6186665B1 (en) * 1999-01-26 2001-02-13 Nimbus, Inc. Motor rotor bearing assembly for a blood pump
US6245007B1 (en) 1999-01-28 2001-06-12 Terumo Cardiovascular Systems Corporation Blood pump
US6742999B1 (en) * 1999-04-20 2004-06-01 Berlin Heart Ag Device for delivering single-phase or multiphase fluids without altering the properties thereof
US6595743B1 (en) 1999-07-26 2003-07-22 Impsa International Inc. Hydraulic seal for rotary pumps
US6247892B1 (en) * 1999-07-26 2001-06-19 Impsa International Inc. Continuous flow rotary pump
US6227820B1 (en) * 1999-10-05 2001-05-08 Robert Jarvik Axial force null position magnetic bearing and rotary blood pumps which use them
DE20004136U1 (de) * 2000-03-04 2000-12-14 Krankenhausbetr Sgesellschaft Blutpumpe
US8251070B2 (en) 2000-03-27 2012-08-28 Asthmatx, Inc. Methods for treating airways
US6361292B1 (en) * 2000-04-12 2002-03-26 Sheldon S. L. Chang Linear flow blood pump
US7104987B2 (en) 2000-10-17 2006-09-12 Asthmatx, Inc. Control system and process for application of energy to airway walls and other mediums
DE10108810A1 (de) * 2001-02-16 2002-08-29 Berlin Heart Ag Vorrichtung zur axialen Förderung von Flüssigkeiten
US6726678B1 (en) * 2001-02-22 2004-04-27 Isurgical, Llc Implantable reservoir and system for delivery of a therapeutic agent
DE10123138B4 (de) 2001-04-30 2007-09-27 Berlin Heart Ag Verfahren zur Lageregelung eines permanentmagnetisch gelagerten rotierenden Bauteils
GB0120037D0 (en) * 2001-08-16 2001-10-10 Diamanx Products Ltd Bearing or wear-resistant surfaces
CA2374989A1 (en) * 2002-03-08 2003-09-08 Andre Garon Ventricular assist device comprising a dual inlet hybrid flow blood pump
CA2428741A1 (en) * 2003-05-13 2004-11-13 Cardianove Inc. Dual inlet mixed-flow blood pump
US20040226556A1 (en) 2003-05-13 2004-11-18 Deem Mark E. Apparatus for treating asthma using neurotoxin
US7074018B2 (en) * 2003-07-10 2006-07-11 Sheldon Chang Direct drive linear flow blood pump
WO2005028872A2 (en) * 2003-09-18 2005-03-31 Myrakelle, Llc Rotary blood pump
US8012079B2 (en) 2004-08-13 2011-09-06 Procyrion, Inc. Method and apparatus for long-term assisting a left ventricle to pump blood
US7841976B2 (en) 2006-03-23 2010-11-30 Thoratec Corporation Heart assist device with expandable impeller pump
US7393181B2 (en) 2004-09-17 2008-07-01 The Penn State Research Foundation Expandable impeller pump
US7972122B2 (en) * 2005-04-29 2011-07-05 Heartware, Inc. Multiple rotor, wide blade, axial flow pump
US8419609B2 (en) 2005-10-05 2013-04-16 Heartware Inc. Impeller for a rotary ventricular assist device
AU2006255059A1 (en) 2005-06-06 2006-12-14 Foster-Miller, Inc. Blood pump
JP4209412B2 (ja) 2005-09-13 2009-01-14 三菱重工業株式会社 人工心臓ポンプ
CN101932837A (zh) * 2006-03-31 2010-12-29 索罗泰克公司 旋转式血泵
EP2131888B1 (de) 2007-02-26 2017-04-05 HeartWare, Inc. Intravaskuläre ventrikuläre hilfsvorrichtung
WO2008152425A1 (en) 2007-06-14 2008-12-18 Calon Cardio Technology Limited Reduced diameter axial rotary pump for cardiac assist
JP4523961B2 (ja) * 2007-11-26 2010-08-11 三菱重工業株式会社 人工心臓ポンプ
US8483831B1 (en) 2008-02-15 2013-07-09 Holaira, Inc. System and method for bronchial dilation
EP2662027B1 (de) 2008-05-09 2017-09-27 Holaira, Inc. Systeme, Baugruppen und Verfahren zur Behandlung eines Bronchialbaumes
EP2292282B1 (de) 2008-06-23 2017-11-15 Thoratec Corporation Blutpumpe
JP5665748B2 (ja) 2008-10-06 2015-02-04 インディアナ・ユニバーシティ・リサーチ・アンド・テクノロジー・コーポレーション 能動的又は受動的補助のための装置
CN102239334B (zh) 2008-12-08 2015-03-04 胸腔科技有限公司 离心式泵装置
JP5378010B2 (ja) 2009-03-05 2013-12-25 ソラテック コーポレーション 遠心式ポンプ装置
WO2010101107A1 (ja) 2009-03-06 2010-09-10 Ntn株式会社 遠心式ポンプ装置
CN102481398A (zh) * 2009-07-01 2012-05-30 宾夕法尼亚州研究基金会 具有可扩张套管的血泵
EP2461465B1 (de) 2009-07-29 2018-12-19 Thoratec Corporation Rotationsantriebsvorrichtung und zentrifugalpumpenvorrichtung
CN104042322B (zh) 2009-10-27 2017-06-06 赫莱拉公司 具有可冷却的能量发射组件的递送装置
US8690749B1 (en) 2009-11-02 2014-04-08 Anthony Nunez Wireless compressible heart pump
EP4111995A1 (de) 2009-11-11 2023-01-04 Nuvaira, Inc. Vorrichtung zur gewebebehandlung und stenosekontrolleti
US8911439B2 (en) 2009-11-11 2014-12-16 Holaira, Inc. Non-invasive and minimally invasive denervation methods and systems for performing the same
JP5443197B2 (ja) 2010-02-16 2014-03-19 ソラテック コーポレーション 遠心式ポンプ装置
US9555174B2 (en) * 2010-02-17 2017-01-31 Flow Forward Medical, Inc. Blood pump systems and methods
US9662431B2 (en) 2010-02-17 2017-05-30 Flow Forward Medical, Inc. Blood pump systems and methods
KR101963799B1 (ko) 2010-02-17 2019-03-29 플로우 포워드 메디컬, 인크. 정맥의 전체 직경을 증가시키는 방법 및 시스템
EP2554191B1 (de) 2010-03-26 2019-05-08 Thoratec Corporation Zentrifugal-blutpumpenvorrichtung
CN101822855B (zh) * 2010-05-06 2012-09-19 北京航空航天大学 人工心脏血液泵的串列叶栅静子结构
JP5681403B2 (ja) 2010-07-12 2015-03-11 ソーラテック コーポレイション 遠心式ポンプ装置
JP5577506B2 (ja) 2010-09-14 2014-08-27 ソーラテック コーポレイション 遠心式ポンプ装置
TW201221161A (en) 2010-10-13 2012-06-01 Thoratec Corp Pumping blood
US8485961B2 (en) 2011-01-05 2013-07-16 Thoratec Corporation Impeller housing for percutaneous heart pump
US8597170B2 (en) 2011-01-05 2013-12-03 Thoratec Corporation Catheter pump
WO2012094641A2 (en) 2011-01-06 2012-07-12 Thoratec Corporation Percutaneous heart pump
WO2012094535A2 (en) 2011-01-06 2012-07-12 Thoratec Corporation Percutaneous heart pump
WO2012132850A1 (ja) 2011-03-28 2012-10-04 Ntn株式会社 回転駆動装置およびそれを用いた遠心式ポンプ装置
JP6106673B2 (ja) 2011-08-17 2017-04-05 フロー フォワード メディカル，インク． 静脈と動脈の全体直径を増大させるシステムと方法
KR102062132B1 (ko) 2011-08-17 2020-01-03 플로우 포워드 메디컬, 인크. 혈액 펌프 시스템 및 방법
WO2013056131A1 (en) 2011-10-13 2013-04-18 Reichenbach Steven H Pump and method for mixed flow blood pumping
JP6083929B2 (ja) 2012-01-18 2017-02-22 ソーラテック コーポレイション 遠心式ポンプ装置
WO2013134319A1 (en) 2012-03-05 2013-09-12 Justin Aron Callaway Modular implantable medical pump
WO2013141120A1 (ja) 2012-03-23 2013-09-26 テルモ株式会社 遠心ポンプおよび遠心ポンプの製造方法
US9327067B2 (en) 2012-05-14 2016-05-03 Thoratec Corporation Impeller for catheter pump
US9446179B2 (en) 2012-05-14 2016-09-20 Thoratec Corporation Distal bearing support
US9872947B2 (en) 2012-05-14 2018-01-23 Tc1 Llc Sheath system for catheter pump
EP4218887A1 (de) 2012-05-14 2023-08-02 Tc1 Llc Mechanische kreislaufunterstützungsvorrichtung zur stabilisierung eines patienten nach einem kardiogenen schock
US8721517B2 (en) 2012-05-14 2014-05-13 Thoratec Corporation Impeller for catheter pump
EP2854682B1 (de) 2012-06-04 2021-06-23 Boston Scientific Scimed, Inc. Systeme zur behandlung des gewebes eines durchgangs in einem körper
US9421311B2 (en) 2012-07-03 2016-08-23 Thoratec Corporation Motor assembly for catheter pump
EP4186557A1 (de) 2012-07-03 2023-05-31 Tc1 Llc Motoranordnung für katheterpumpe
US9358329B2 (en) 2012-07-03 2016-06-07 Thoratec Corporation Catheter pump
US9592086B2 (en) 2012-07-24 2017-03-14 Boston Scientific Scimed, Inc. Electrodes for tissue treatment
US10258730B2 (en) 2012-08-17 2019-04-16 Flow Forward Medical, Inc. Blood pump systems and methods
US9272132B2 (en) 2012-11-02 2016-03-01 Boston Scientific Scimed, Inc. Medical device for treating airways and related methods of use
US9283374B2 (en) 2012-11-05 2016-03-15 Boston Scientific Scimed, Inc. Devices and methods for delivering energy to body lumens
US9398933B2 (en) 2012-12-27 2016-07-26 Holaira, Inc. Methods for improving drug efficacy including a combination of drug administration and nerve modulation
JP6339023B2 (ja) 2013-01-07 2018-06-06 国立大学法人神戸大学 軸流血液ポンプ
US9371826B2 (en) 2013-01-24 2016-06-21 Thoratec Corporation Impeller position compensation using field oriented control
US9556873B2 (en) 2013-02-27 2017-01-31 Tc1 Llc Startup sequence for centrifugal pump with levitated impeller
US11033728B2 (en) 2013-03-13 2021-06-15 Tc1 Llc Fluid handling system
EP2968718B1 (de) 2013-03-13 2021-04-21 Tc1 Llc Flüssigkeitsbehandlungssystem
US11077294B2 (en) 2013-03-13 2021-08-03 Tc1 Llc Sheath assembly for catheter pump
US9144638B2 (en) 2013-03-14 2015-09-29 Thoratec Corporation Blood pump rotor bearings
WO2014143593A1 (en) 2013-03-15 2014-09-18 Thoratec Corporation Catheter pump assembly including a stator
US9308302B2 (en) 2013-03-15 2016-04-12 Thoratec Corporation Catheter pump assembly including a stator
US9713663B2 (en) 2013-04-30 2017-07-25 Tc1 Llc Cardiac pump with speed adapted for ventricle unloading
US10052420B2 (en) 2013-04-30 2018-08-21 Tc1 Llc Heart beat identification and pump speed synchronization
JP6479005B2 (ja) 2013-08-09 2019-03-06 ボストン サイエンティフィック サイムド，インコーポレイテッドＢｏｓｔｏｎ Ｓｃｉｅｎｔｉｆｉｃ Ｓｃｉｍｅｄ，Ｉｎｃ． 医療器具
CN104436338B (zh) * 2013-09-17 2020-06-19 上海微创医疗器械（集团）有限公司 植入式自悬浮轴流血泵
EP3791920B1 (de) 2014-04-15 2024-07-03 Tc1 Llc Katheterpumpeneinführersystem
EP3479854A1 (de) 2014-04-15 2019-05-08 Tc1 Llc Katheterpumpe mit zugangsports
EP3131615B1 (de) 2014-04-15 2021-06-09 Tc1 Llc Sensoren für katheterpumpen
US10583232B2 (en) 2014-04-15 2020-03-10 Tc1 Llc Catheter pump with off-set motor position
CN103977464B (zh) * 2014-06-06 2016-08-17 清华大学 一种出口处渐变流动区域的可植入微型轴流血泵
CN103977463A (zh) * 2014-06-06 2014-08-13 清华大学 一种植入式微型抗血栓轴流血泵
CN104056312A (zh) * 2014-06-20 2014-09-24 冯森铭 一种可植入式微型无轴式轴流血泵
CN104056314A (zh) * 2014-06-20 2014-09-24 冯森铭 一种可植入式微型无轴高效传热的轴流血泵
CN104056313A (zh) * 2014-06-20 2014-09-24 冯森铭 一种可植入式自动调节轴距的微型轴流血泵
WO2016028644A1 (en) 2014-08-18 2016-02-25 Thoratec Corporation Guide features for percutaneous catheter pump
US9623161B2 (en) 2014-08-26 2017-04-18 Tc1 Llc Blood pump and method of suction detection
WO2016086137A1 (en) 2014-11-26 2016-06-02 Thoratec Corporation Pump and method for mixed flow blood pumping
US9675739B2 (en) 2015-01-22 2017-06-13 Tc1 Llc Motor assembly with heat exchanger for catheter pump
US9675738B2 (en) 2015-01-22 2017-06-13 Tc1 Llc Attachment mechanisms for motor of catheter pump
EP3247420B1 (de) 2015-01-22 2019-10-02 Tc1 Llc Motorbaugruppe verringerter rotierender masse für katheterpumpe
EP3256183A4 (de) 2015-02-11 2018-09-19 Tc1 Llc Herzschlagidentifizierung und pumpengeschwindigkeitssynchronisierung
US10166318B2 (en) 2015-02-12 2019-01-01 Tc1 Llc System and method for controlling the position of a levitated rotor
US10371152B2 (en) 2015-02-12 2019-08-06 Tc1 Llc Alternating pump gaps
US10245361B2 (en) 2015-02-13 2019-04-02 Tc1 Llc Impeller suspension mechanism for heart pump
US9907890B2 (en) 2015-04-16 2018-03-06 Tc1 Llc Catheter pump with positioning brace
EP3325035B1 (de) 2015-07-20 2020-12-16 Tc1 Llc Durchflussschätzung mithilfe von halleffektsensoren
WO2017015210A1 (en) 2015-07-20 2017-01-26 Thoratec Corporation Strain gauge for flow estimation
ES2841198T3 (es) 2015-08-04 2021-07-07 Abiomed Europe Gmbh Cojinete de autolavado
US11235138B2 (en) 2015-09-25 2022-02-01 Procyrion, Inc. Non-occluding intravascular blood pump providing reduced hemolysis
FR3043164B1 (fr) * 2015-10-29 2018-04-13 CRYODIRECT Limited Pompe de transfert d'un gaz liquefie
US10117983B2 (en) 2015-11-16 2018-11-06 Tc1 Llc Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device
EP3448487A4 (de) 2016-04-29 2020-04-29 Flow Forward Medical, Inc. Leitungsspitzen und systeme und verfahren zur verwendung
EP3578261B1 (de) * 2016-06-15 2022-08-10 Hamilton Company Pipettenspitzenkoppler
EP3808401A1 (de) 2016-07-21 2021-04-21 Tc1 Llc Gasgefüllte kammer für eine katheterpumpenmotoranordnung
WO2018017678A1 (en) * 2016-07-21 2018-01-25 Thoratec Corporation Fluid seals for catheter pump motor assembly
US10857273B2 (en) 2016-07-21 2020-12-08 Tc1 Llc Rotary seal for cantilevered rotor pump and methods for axial flow blood pumping
WO2018031741A1 (en) 2016-08-12 2018-02-15 Tc1 Llc Devices and methods for monitoring bearing and seal performance
EP3300750A1 (de) * 2016-09-29 2018-04-04 Berlin Heart GmbH Blutpumpe
CA3066361A1 (en) 2017-06-07 2018-12-13 Shifamed Holdings, Llc Intravascular fluid movement devices, systems, and methods of use
US11672968B2 (en) * 2017-08-11 2023-06-13 Carnegie Mellon University Blood-immersed bearing system for a blood pump
CN111556763B (zh) 2017-11-13 2023-09-01 施菲姆德控股有限责任公司 血管内流体运动装置、系统
EP3746149A4 (de) 2018-02-01 2021-10-27 Shifamed Holdings, LLC Intravaskuläre blutpumpen und verfahren zur verwendung und herstellung
DE102018103446A1 (de) * 2018-02-15 2019-08-22 Michael Schröter Vorrichtung und Verfahren zum Verdichten und/oder Verdrängen eines Fluids
ES2819923T3 (es) * 2018-03-23 2021-04-19 Abiomed Europe Gmbh Bomba intravascular para sangre
EP3574933A1 (de) * 2018-05-29 2019-12-04 Berlin Heart GmbH Blutpumpe mit einem antreibbaren rotor und zwei lagern
CN109106992A (zh) * 2018-08-30 2019-01-01 中国医学科学院阜外医院 一种采用等径轴与轴承结构的轴流血泵
EP3701979A1 (de) * 2019-02-26 2020-09-02 Berlin Heart GmbH Implantierbare blutpumpe zum unterstützen einer herzfunktion
WO2021011473A1 (en) 2019-07-12 2021-01-21 Shifamed Holdings, Llc Intravascular blood pumps and methods of manufacture and use
WO2021016372A1 (en) 2019-07-22 2021-01-28 Shifamed Holdings, Llc Intravascular blood pumps with struts and methods of use and manufacture
US11724089B2 (en) 2019-09-25 2023-08-15 Shifamed Holdings, Llc Intravascular blood pump systems and methods of use and control thereof
US11577067B2 (en) * 2019-10-03 2023-02-14 Boston Scientific Scimed, Inc. Reduced thrombosis blood pump
IL293625A (en) 2019-12-03 2022-08-01 Procyrion Inc blood pumps
AU2020403115A1 (en) 2019-12-13 2022-07-14 Procyrion, Inc. Support structures for intravascular blood pumps
CN115804905B (zh) * 2022-11-14 2024-03-01 心擎医疗（苏州）股份有限公司 一种导管泵

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3433163A (en) * 1966-11-07 1969-03-18 Gen Dynamics Corp Pump
US4704121A (en) * 1983-09-28 1987-11-03 Nimbus, Inc. Anti-thrombogenic blood pump
US4625712A (en) * 1983-09-28 1986-12-02 Nimbus, Inc. High-capacity intravascular blood pump utilizing percutaneous access
US4704712A (en) * 1985-06-24 1987-11-03 Rca Corporation Low-friction slide apparatus for optical disc translation stage
US4994078A (en) * 1988-02-17 1991-02-19 Jarvik Robert K Intraventricular artificial hearts and methods of their surgical implantation and use
US5211546A (en) * 1990-05-29 1993-05-18 Nu-Tech Industries, Inc. Axial flow blood pump with hydrodynamically suspended rotor
US5112200A (en) * 1990-05-29 1992-05-12 Nu-Tech Industries, Inc. Hydrodynamically suspended rotor axial flow blood pump
US5158440A (en) * 1990-10-04 1992-10-27 Ingersoll-Rand Company Integrated centrifugal pump and motor
JPH04298698A (ja) * 1991-03-27 1992-10-22 Terumo Corp 液体ポンプ装置
JPH05106589A (ja) * 1991-10-15 1993-04-27 Amada Co Ltd 電動式軸流送風機
US5399074A (en) * 1992-09-04 1995-03-21 Kyocera Corporation Motor driven sealless blood pump
US5527159A (en) * 1993-11-10 1996-06-18 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Rotary blood pump
US5507629A (en) * 1994-06-17 1996-04-16 Jarvik; Robert Artificial hearts with permanent magnet bearings
US5588812A (en) * 1995-04-19 1996-12-31 Nimbus, Inc. Implantable electric axial-flow blood pump

Also Published As

Publication number Publication date
US5951263A (en) 1999-09-14
CA2265612A1 (en) 1998-03-19
ES2212000T3 (es) 2004-07-16
EP0925451A4 (de) 2000-06-07
EP0925451B1 (de) 2003-11-19
DE69630815D1 (de) 2003-12-24
JP5701848B2 (ja) 2015-04-15
JP2001500589A (ja) 2001-01-16
EP0925451A1 (de) 1999-06-30
WO1998011347A1 (en) 1998-03-19
US5707218A (en) 1998-01-13
DE69630815T2 (de) 2004-09-23
JP2013099536A (ja) 2013-05-23
JP2008194482A (ja) 2008-08-28

Similar Documents

Publication Publication Date Title
CA2265612C (en) Implantable electric axial-flow blood pump with blood-cooled bearing
US5588812A (en) Implantable electric axial-flow blood pump
JP4184611B2 (ja) 回転血液ポンプ
US5324177A (en) Sealless rotodynamic pump with radially offset rotor
JP4105770B2 (ja) 非円形流体軸受ジャーナルを備えたロトダイナミック血液ポンプ
JP3725027B2 (ja) 流体力学的に懸架されたインペラを有するロータリポンプ
EP2150289B1 (de) Blutpumpenlagerungen mit getrennten kontaktoberflächen
CA2145857C (en) Sealless rotodynamic pump
US6302910B1 (en) Auxiliary artificial heart of an embedded type
EP0768091A1 (de) Kunstherz
EP1212516A1 (de) Hydraulische abdichtung für rotierende pumpen
US20220241580A1 (en) Sealed micropump
CN115282472A (zh) 一种微型血泵
CN217286897U (zh) 血泵及心脏辅助装置
WO2023202165A1 (zh) 血泵及心脏辅助装置
CN116966413A (zh) 血泵及心脏辅助装置

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20161228